Energy Manufacturing Inc. provides the following ABC costing information: Activities Total Costs Activity-cost drivers Account inquiry $320,000 16,000 hours Account billing $200,000 4,000,000 lines Account verification accounts $173,250 70,000 accounts Correspondence letters $24,000 4,000 letters Total costs $717,250 The above activities are used by Departments A and B as follows: Department A Department B Account inquiry hours 4,200 hours 2,700 hours Account billing lines 900,000 lines 750,000 lines Account verification accounts 8,000 accounts 6,000 accounts Correspondence letters 1,400 letters 1,800 letters How much of the account inquiry cost will be assigned to Department A

Suppose that xtel currently is selling at $40 per share. you buy 500 shares using $15,000 of your own money, borrowing the remainder of the purchase price from your broker. the rate on the margin loan is 8%. a. what is the percentage increase in the net worth of your brokerage account if the price of xtel immediately changes to (a) $44; (b) $40; (c) $36? (leave no cells blank - be certain to enter "0" wherever required. negative values should be indicated by a minus sign. round your answers to 2 decimal places.) b. if the maintenance margin is 25%, how low can xtel’s price fall before you get a margin call? (round your answer to 2 decimal places.) c. how would your answer to requirement 2 would change if you had financed the initial purchase with only $10,000 of your own money? (round your answer to 2 decimal places.) d. what is the rate of return on your margined position (assuming again that you invest $15,000 of your own money) if xtel is selling after one year at (a) $44; (b) $40; (c) $36? (negative values should be indicated by a minus sign. round your answers to 2 decimal places.) e. continue to assume that a year has passed. how low can xtel’s price fall before you get a margin call? (round your answer to 2 decimal places.)